in colorado president obama held a slim lead in september now romney has a one-point edge. in wisconsin the president was leading by six points last month, he leads romney by just three points now. in virginia the president continues to hold on to a small lead. tara mergener is in washington following all of this. >> reporter: good morning. boy the pressure sure is on tonight particularly for joe biden who will be trying to gain ground following that first presidential debate. paul ryan will be trying to keep up his campaign's new momentum. paul ryan arrived in kentucky ahead of his first nationally televised debate. the number two man on the gop ticket told reporters earlier in florida voters will see a clear choice when he faces off against vice president joe biden. >> joe biden has been on the stage before. he's been on these big stages. it's my first time. what he can't run from is president obama's indefensible record. they are just offering more of the same. >> reporter: ryan will face an opponent who of end causes controversy. but vice president biden is a seasoned d